아메리칸 크로우(Corvus Brachyrhynchos)

아메리칸 크로우(Corvus Brachyrhynchos)

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출처: National Park Service

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nps birds of harpers ferry national park 동물 새 intelligent bird scavenger species social behavior black plumage adaptable avian vocal communicator north american habitat urban dweller problem solver flock dynamics

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